Auto window arm rest



FIG. 1 is a side elevational view of an auto window arm rest showing my new design;

FIG. 2 is an end elevational view thereof with its opposite end being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for an auto window arm rest, as shown. 